rdlc 套打实现

就是通过反射调用ReportViewer里的函数实现套打功能，在WinForm下测试并正在使用，WebForm下未经测试，不知可否使用。

 在使用套打前不能ReportViewer.SetDisplayMode，Set后会造成打印两份文件出来，原因不清楚。

 1  public   static   class  ReportViewerExt
 2      {
 3           ///   <summary>
 4           ///  用默认打印机直接打印。
 5           ///   </summary>
 6           ///   <param name="reportViewer"></param>
 7           public   static   void  DirectPrint( this  ReportViewer reportViewer)
 8          {
 9              Type reportViewerType  =  reportViewer.GetType();
10 
11              FieldInfo printFieldInfo  =  reportViewerType.GetField( " Print " , 
12                  BindingFlags.NonPublic  |  BindingFlags.Instance  |  BindingFlags.GetField);
13              CancelEventHandler printEvent  =  (CancelEventHandler)printFieldInfo.GetValue(reportViewer);
14               if  (printEvent  !=   null ) { printEvent(reportViewer,  null ); }
15 
16              Object createEMFDeviceInfo  =  reportViewerType.InvokeMember( " CreateEMFDeviceInfo " , 
17                  BindingFlags.NonPublic  |  BindingFlags.Instance  |  BindingFlags.InvokeMethod,  null , 
18                  reportViewer,  new   object [] {  1 ,  1  });
19              Delegate createAndRegisterStream  =  Delegate.CreateDelegate( typeof (CreateAndRegisterStream), 
20                  reportViewer, reportViewerType.GetMethod( " CreateStreamEMFPrintOnly " , 
21                  BindingFlags.NonPublic  |  BindingFlags.Instance  |  BindingFlags.InvokeMethod));
22              Type internalRenderingCompleteDelegateType  =  
23                  reportViewerType.Assembly.GetType( " Microsoft.Reporting.WinForms.InternalRenderingCompleteDelegate " );
24              Delegate internalRenderingCompleteDelegate  =  Delegate.CreateDelegate(internalRenderingCompleteDelegateType, 
25                  reportViewer, reportViewerType.GetMethod( " OnRenderingCompletePrintOnly " , 
26                  BindingFlags.NonPublic  |  BindingFlags.Instance  |  BindingFlags.InvokeMethod));
27              Type postRenderArgsType  =  reportViewerType.Assembly.GetType( " Microsoft.Reporting.WinForms.PostRenderArgs " );
28              Object postRenderArgs  =  Activator.CreateInstance(postRenderArgsType,  false ,  true );
29              Object report  =  reportViewerType.InvokeMember( " Report " , BindingFlags.NonPublic  |  BindingFlags.GetProperty  |  
30                  BindingFlags.Instance,  null , reportViewer,  null );
31              Object backgroundThread  =  reportViewerType.InvokeMember( " BackgroundThread " , BindingFlags.NonPublic  |  
32                  BindingFlags.GetProperty  |  BindingFlags.Instance,  null , reportViewer,  null );
33              backgroundThread.GetType().InvokeMember( " BeginRender " , BindingFlags.Public  |  BindingFlags.InvokeMethod  |  
34                  BindingFlags.Instance,  null , backgroundThread,  new   object [] {  " IMAGE " ,  true , createEMFDeviceInfo, 
35                      createAndRegisterStream, internalRenderingCompleteDelegate, postRenderArgs, report });
36 
37              Type reportDocumentType  =  reportViewerType.Assembly.GetType( " Microsoft.Reporting.WinForms.ReportPrintDocument " );
38              Object currentReport  =  reportViewerType.InvokeMember( " CurrentReport " , BindingFlags.NonPublic  |  
39                  BindingFlags.GetProperty  |  BindingFlags.Instance,  null , reportViewer,  null );
40              Object fileManager  =  currentReport.GetType().InvokeMember( " FileManager " , BindingFlags.GetProperty,  null , 
41                  currentReport,  null );
42              Object pageSettings  =  reportViewerType.InvokeMember( " PageSettings " , BindingFlags.NonPublic  |  
43                  BindingFlags.GetProperty  |  BindingFlags.Instance,  null , reportViewer,  null );
44              Object pageSettingsClone  =  ((ICloneable)pageSettings).Clone();
45              ConstructorInfo constructorInfo  =  reportDocumentType.GetConstructor(BindingFlags.NonPublic  |  
46                  BindingFlags.Instance,  null ,  new  Type[] { fileManager.GetType(), pageSettings.GetType() },  null );
47 
48              PrintDocument document  =  (PrintDocument)constructorInfo.Invoke( new   object [] { fileManager, pageSettingsClone });
49 
50              document.DocumentName  =  (String)report.GetType().InvokeMember( " DisplayNameForUse " , BindingFlags.NonPublic  |  
51                  BindingFlags.GetProperty  |  BindingFlags.Instance,  null , report,  null );
52              document.PrinterSettings  =  (PrinterSettings)reportViewerType.InvokeMember( " CreateDefaultPrintSettings " , 
53                  BindingFlags.NonPublic  |  BindingFlags.InvokeMethod  |  BindingFlags.Instance,  null , reportViewer,  null );
54              document.PrinterSettings.PrintRange  =  PrintRange.AllPages;
55              document.Print();
56          }
57      }